Pith Number

pith:JC777DUO

pith:2015:JC777DUOE3CFM63B4K5D56BBVO

not attested not anchored not stored refs pending

On R-W1 as A Diagnostic to Discover Obscured Active Galactic Nuclei in Wide-Area X-ray Surveys

Andrea Comastri, Andrea Merloni, Carolin Cardamone, C. Meg Urry, Daniel Stern, Duncan Farrah, Eilat Glikman, Ezequiel Treister, Francesca Civano, Gordon Richards, Jenny E. Greene, Kevin Schawinski, Mara Salvato, Marcella Brusa, Nico Cappelluti, Priyamvada Natarajan, Sabrina Cales, Sarah Gallagher, S. Komossa, Stephanie M. LaMassa, Tony Mroczkowski

arxiv:1511.02883 v2 · 2015-11-09 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JC777DUOE3CFM63B4K5D56BBVO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:20:41.909033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48bfff8e8e26c4567b61e2ba3ef821abb4b01498f8605c273f770b24c2d179b1

Aliases

arxiv: 1511.02883 · arxiv_version: 1511.02883v2 · doi: 10.48550/arxiv.1511.02883 · pith_short_12: JC777DUOE3CF · pith_short_16: JC777DUOE3CFM63B · pith_short_8: JC777DUO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JC777DUOE3CFM63B4K5D56BBVO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 48bfff8e8e26c4567b61e2ba3ef821abb4b01498f8605c273f770b24c2d179b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "905c458d7639cf84448d59545425384d7e8420dec1bf480d38aa0a9d94281c0b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-09T21:03:58Z",
    "title_canon_sha256": "178850c7e813b47f3a22e94303125967bbbff5d80047a3b47e29d556f8bbbaa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02883",
    "kind": "arxiv",
    "version": 2
  }
}